![]() ∙ Same elements What happens to the mass numbers between atoms when they are isotopes of each other? The mass number changes due to the different number of neutrons in each of them. Build an Atom is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder. What are two requirements for an atoms to be isotopes of each other? ∙ Different numbers of neutrons Oxygen-18 What is an isotope? When atoms are the same element, but have different amounts of neutrons that reside in their nuclei. What particles affect the stability of an atom? Protons and Neutrons What particles DON'T affect the stability of an atom? Electrons What are the stable forms of oxygen? Oxygen-16 Hyphen Notation The element name - mass number. ![]() The mass number is the amount of subatomic particles that reside in the nucleus of an atom. Atomic Number The number of protons in an atom. His ground-breaking research has included precision laser spectroscopy. Carl Wiemans contributions have had a major impact on dening the eld of atomic physics as it exists today. Charge Protons plus the number of neutrons determine whether or not an atom is positively or negatively charged. Alpha Decay Phet Simulation Answers College Physics - College Physics Textbook Equity Edition Volume 3 of 3: Chapters 25 - 34. ANSWER KEY: BUILD AN ATOM PART I: ATOM SCREEN Build an Atom simulation. ![]() Letter = ? Element Symbol An abbreviation of the element. Build an Atom PhET Simulation Answer Key.
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